CN117543707A - Photovoltaic building integrated direct-current micro-grid system - Google Patents
Photovoltaic building integrated direct-current micro-grid system Download PDFInfo
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- 238000004146 energy storage Methods 0.000 claims abstract description 32
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 238000012544 monitoring process Methods 0.000 claims abstract description 8
- 238000010248 power generation Methods 0.000 claims description 15
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/001—Methods to deal with contingencies, e.g. abnormalities, faults or failures
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/22—The renewable source being solar energy
- H02J2300/24—The renewable source being solar energy of photovoltaic origin
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses a photovoltaic building integrated direct-current micro-grid system, and belongs to the technical field of micro-grids. A photovoltaic building integrated direct-current micro-grid system comprises a photovoltaic system, a direct-current bus, a power detection module, a control module, a high-voltage converter, a high-voltage sub-line, a low-voltage converter, a low-voltage sub-line, a high-voltage energy storage module, a high-voltage load, a low-voltage energy storage module and a low-voltage load; the photovoltaic system is arranged on the surface of a building and is used for converting light energy into electric energy; the photovoltaic system and the power detection module are connected in series to the direct current bus, and the power detection module is used for monitoring the output power of the photovoltaic system; the high-voltage converter and the low-voltage converter are connected in parallel to the direct-current bus; the high-voltage converter, the high-voltage energy storage module and the high-voltage load are all connected in parallel to the high-voltage sub-line; the low-voltage converter, the low-voltage energy storage module and the low-voltage load are all connected in parallel to the low-voltage sub-line, and the control module is used for receiving signals of the power detection module and controlling the operation of the high-voltage converter and the low-voltage converter.
Description
Technical Field
The invention relates to the technical field of micro-grids, in particular to a photovoltaic building integrated direct-current micro-grid system.
Background
The photovoltaic building integration is to combine a photovoltaic power generation system with a building, so that the building has a power generation function. The technology can utilize solar energy to generate electricity by installing the photovoltaic module on the outer wall, the roof, the sunshade facilities and other parts of the building, thereby reducing the dependence on the traditional energy sources, reducing the energy consumption of the building and reducing the environmental pollution.
The development of the integrated photovoltaic building technology is beneficial to improving the energy utilization efficiency of the building, pushing the renewable energy to be utilized and realizing the energy conservation and emission reduction of the building. In addition, the integrated photovoltaic building can also improve urban building environment and improve building sustainability and green performance.
The output power and voltage of the photovoltaic power generation system on the surface of the building are greatly influenced by illumination intensity and temperature; when the illumination intensity changes, the output voltage of the photovoltaic array also changes correspondingly, so that fluctuation of high-voltage output is caused; as the temperature increases, the output voltage of the photovoltaic cells typically decreases, and therefore, temperature changes in the photovoltaic power generation system also cause fluctuations in the high voltage output.
When the photovoltaic system is connected to a power grid by means of the converter, voltage fluctuation can influence the stability of the circuit and the normal operation of the load. In order to increase the stability of power supply of a photovoltaic system and improve the utilization rate of the photovoltaic system, a photovoltaic building integrated direct current micro-grid system is provided.
Disclosure of Invention
1. The technical problem to be solved.
The invention aims to provide a photovoltaic building integrated direct-current micro-grid system so as to solve the problems in the background technology.
2. The technical proposal is that.
A photovoltaic building integrated direct-current micro-grid system comprises a photovoltaic system, a direct-current bus, a power detection module, a control module, a high-voltage converter, a high-voltage sub-line, a low-voltage converter, a low-voltage sub-line, a high-voltage energy storage module, a high-voltage load, a low-voltage energy storage module and a low-voltage load; the photovoltaic system is arranged on the surface of a building and is used for converting light energy into electric energy; the photovoltaic system and the power detection module are connected in series to the direct current bus, and the power detection module is used for monitoring the output power of the photovoltaic system; the high-voltage converter and the low-voltage converter are connected in parallel to the direct-current bus; the high-voltage converter, the high-voltage energy storage module and the high-voltage load are all connected in parallel to a high-voltage sub-line; the low-voltage converter, the low-voltage energy storage module and the low-voltage load are all connected in parallel to the low-voltage sub-line, and the control module is used for receiving signals of the power detection module and controlling the high-voltage converter and the low-voltage converter to operate.
As an alternative to the technical solution of the present application, the control module controls the high-voltage converter to work when the actual output power of the photovoltaic system exceeds a set first threshold value.
As an alternative to the technical solution of the present application, the control module controls the low-voltage converter to work when the actual output power of the photovoltaic system does not exceed the set first threshold value.
As an alternative scheme of the technical scheme, the photovoltaic power generation units in the photovoltaic system are connected in parallel and connected with a direct current bus.
As an alternative scheme of the technical scheme, when the control module controls the high-voltage converter to work, the low-voltage converter is in a closed state, and the low-voltage sub-line is taken over by the low-voltage energy storage module to ensure the normal operation of the low-voltage load.
As an alternative scheme of the technical scheme, when the control module controls the low-voltage converter to work, the high-voltage converter is in a closed state, and the high-voltage sub-line is taken over by the high-voltage energy storage module, so that normal operation of the high-voltage load is ensured.
As an alternative of the technical scheme of the application, the control module is also used for monitoring the output voltages of the high-voltage converter and the low-voltage converter; when the fluctuation of the output voltage of the high-voltage converter is larger than a preset value, the control module sends out a signal to control the high-voltage converter to be closed and the low-voltage converter to be opened, and the high-voltage sub-line is connected by the high-voltage energy storage module.
As an alternative of the technical solution of the present application, when the output voltage fluctuation of the low voltage converter is greater than a preset value, the low voltage converter is turned off, and the low voltage sub-line is taken over by the low voltage energy storage module.
As an alternative of the technical solution of the present application, the system further includes a plurality of high-voltage interface units and a low-voltage interface unit, a plurality of the high-voltage interface units are connected in parallel to the high-voltage sub-line and the low-voltage sub-line, a plurality of the low-voltage interface units are connected in parallel to the high-voltage sub-line respectively, and an external load can be connected to the high-voltage sub-line/the low-voltage sub-line through the high-voltage interface unit/the low-voltage interface unit.
As an alternative scheme of the technical scheme, a first control switch is arranged in the high-voltage interface unit, when the actual output power of the photovoltaic system exceeds a second threshold value, the control module controls the first control switch to be closed, an external load can be connected into the high-voltage sub-line through the high-voltage interface unit, and the second threshold value is larger than the first threshold value.
The low-voltage interface unit is internally provided with a second control switch, when the actual output power of the photovoltaic system exceeds a third threshold value and is smaller than the first threshold value, the control module controls the second control switch to be closed, and an external load can be connected into the low-voltage sub-line through the low-voltage interface unit, and the third threshold value is smaller than the first threshold value.
3. Has the beneficial effects of.
Compared with the prior art, the invention has the advantages that.
1. The design of the photovoltaic system can provide energy for high-voltage and low-voltage loads at the same time, so that the flexibility of the system is improved; according to the actual output power of the photovoltaic system, an appropriate converter is automatically selected to work, when the output power is lower than a first threshold value, a low-voltage converter is selected to provide stable power supply for a low-voltage load, the utilization rate of energy sources can be improved to the greatest extent, and the output capacity of the photovoltaic power generation system is fully utilized.
2. According to the method, the output voltage fluctuation of the high-voltage converter and the low-voltage converter is monitored, when the voltage fluctuation is overlarge, the corresponding converter is closed, the energy supply is switched, and the stable operation of the load in the circuit is ensured.
3. According to the system, the high-voltage/low-voltage interface unit is arranged, so that the expandability of the system can be improved; and combining the set second threshold value and the third threshold value, so that the connection of an external load can not influence the normal operation of the high-voltage/low-voltage load in the high-voltage/low-voltage sub-line, thereby ensuring the stability of directly supplying energy to the high-voltage/low-voltage load connected in parallel in the high-voltage/low-voltage sub-line.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a photovoltaic building-integrated dc micro grid system according to a preferred embodiment of the present application.
Fig. 2 is a schematic diagram of the overall structure of the photovoltaic building-integrated dc micro grid system disclosed in a preferred embodiment of the present application.
The reference numerals in the figures illustrate: 1. a photovoltaic system; 2. a direct current bus; 3. a power detection module; 4. a control module; 5. a high voltage transformer; 6. a high voltage sub-line; 7. a low voltage inverter; 8. a low voltage sub-line; 9. a high-voltage energy storage module; 10. a high voltage load; 11. a low pressure energy storage module; 12. a low voltage load; 13. a high voltage interface unit; 14. a low-voltage interface unit; 15. a first control switch; 16. and a second control switch.
Detailed Description
Example 1.
Referring to fig. 1-2, the present invention provides a technical solution.
The photovoltaic building integrated direct-current micro-grid system comprises a photovoltaic system 1, a direct-current bus 2, a power detection module 3, a control module 4, a high-voltage converter 5, a high-voltage sub-line 6, a low-voltage converter 7, a low-voltage sub-line 8, a high-voltage energy storage module 9, a high-voltage load 10, a low-voltage energy storage module 11 and a low-voltage load 12; the photovoltaic system 1 is arranged on the surface of a building and is used for converting light energy into electric energy; the photovoltaic system 1 and the power detection module 3 are connected in series to the direct current bus 2, and the power detection module 3 is used for monitoring the output power of the photovoltaic system 1; the high-voltage converter 5 and the low-voltage converter 7 are connected in parallel to the direct current bus 2; the high-voltage converter 5, the high-voltage energy storage module 9 and the high-voltage load 10 are all connected in parallel to the high-voltage sub-line 6; the low-voltage converter 7, the low-voltage energy storage module 11 and the low-voltage load 12 are all connected in parallel to the low-voltage sub-line 8, and the control module 4 is used for receiving signals of the power detection module 3 and controlling the high-voltage converter 5 and the low-voltage converter 7 to operate.
In this embodiment, the photovoltaic system 1 converts light energy into dc electric energy, the control module 4 calculates the actual output power of the photovoltaic system 1 by monitoring the current and voltage in the dc bus 2, and the control module 4 controls the high-voltage inverter 5 or the low-voltage inverter 7 to operate according to the actual output power of the photovoltaic system 1.
When the actual output power of the photovoltaic system 1 exceeds a set first threshold value, the control module 4 controls the high-voltage converter 5 to work, and the output voltage of the photovoltaic system 1 is boosted to hundreds of volts so as to meet the requirements of the high-voltage energy storage module 9 and the high-voltage load 10; when the actual output power of the photovoltaic system 1 does not exceed a set first threshold value, the control module 4 controls the low-voltage converter 7 to work, and the output voltage of the photovoltaic system 1 is boosted to tens of volts so as to meet the requirements of the low-voltage energy storage module 11 and the low-voltage load 12; the utilization rate of energy sources can be improved to the greatest limit, and the output capacity of the photovoltaic power generation system is fully utilized; the high voltage converter 5, the low voltage converter 7 may be a DC-DC converter or a DC-AC converter depending on the type of load.
In addition, in order to increase the stability of the photovoltaic system 1, the photovoltaic power generation units in the photovoltaic system 1 are connected in parallel and connected with the direct current bus 2, a single photovoltaic power generation unit fails or shadows are shielded, other photovoltaic power generation units connected in parallel can still work normally, and the energy generation of the photovoltaic system 1 is not influenced; in order to prolong the stability of the photovoltaic system 1, each photovoltaic power generation unit can be provided with a power optimizer, the output power of each photovoltaic power generation unit is monitored through the power optimizer, and the output power is regulated according to actual conditions, so that the output currents of all the photovoltaic units are ensured to be as balanced as possible, and further the system efficiency is improved, the heat loss is reduced, and the system reliability is improved.
When the control module 4 controls the high-voltage converter 5 to work, the low-voltage converter 7 is in a closed state, and the low-voltage sub-line 8 is taken over by the low-voltage energy storage module 11 to ensure the normal operation of the low-voltage load 12; when the control module 4 controls the low-voltage converter 7 to work, the high-voltage converter 5 is in a closed state, and the high-voltage sub-line 6 is taken over by the high-voltage energy storage module 9 to ensure the normal operation of the high-voltage load 10.
Furthermore, the control module 4 is also used for monitoring the output voltages of the high-voltage converter 5 and the low-voltage converter 7; when the output voltage fluctuation of the high-voltage converter 5 is larger than a preset value, the control module 4 sends out a signal to control the high-voltage converter 5 to be closed and the low-voltage converter 7 to be opened, and the high-voltage sub-line 6 is connected by the high-voltage energy storage module 9; when the output voltage fluctuation of the low-voltage converter 7 is larger than a preset value, the low-voltage converter 7 is turned off, and the low-voltage sub-line 8 is taken over by the low-voltage energy storage module 11.
In this embodiment, the control module 4 can automatically adjust the power supply source according to the output voltage fluctuation condition of the high-voltage converter 5 and the low-voltage converter 7, so as to maintain stable voltage output, ensure the normal operation of the system and fully utilize the output capability of the photovoltaic power generation system.
Example 2.
On the basis of embodiment 1, in order to increase the scalability of the system, the system further comprises a plurality of high-voltage interface units 13 and low-voltage interface units 14, wherein the plurality of high-voltage interface units 13 are connected in parallel to the high-voltage sub-line 6 and the low-voltage sub-line 8, the plurality of low-voltage interface units 14 are connected in parallel to the high-voltage sub-line 6 respectively, and an external load can be connected to the high-voltage sub-line 6/the low-voltage sub-line 8 through the high-voltage interface units 13/the low-voltage interface units 14.
The high-voltage interface unit 13 is internally provided with a first control switch 15, when the actual output power of the photovoltaic system 1 exceeds a second threshold value, the control module 4 controls the first control switch 15 to be closed, and an external load can be connected to the high-voltage sub-line 6 through the high-voltage interface unit 13, and the second threshold value is larger than the first threshold value.
The second control switch 16 is arranged in the low-voltage interface unit 14, and when the actual output power of the photovoltaic system 1 exceeds a third threshold value and is smaller than the first threshold value, the control module 4 controls the second control switch 16 to be closed, and an external load can be connected to the low-voltage sub-line 8 through the low-voltage interface unit 14, and the third threshold value is smaller than the first threshold value.
In this embodiment, the setting of the second threshold value can avoid the excessive load connected to the high-voltage sub-line 6, which causes the excessive voltage fluctuation on the high-voltage sub-line 6 to affect the operation of the high-voltage load 10; similarly, the third threshold is set to ensure stable operation of the low voltage load 12 on the low voltage sub-line 8.
The designer can select different modes to access the high-voltage sub-line 6/the low-voltage sub-line 8 according to the type of the load and the power requirement; the direct parallel connection is connected with the high-voltage sub-line 6/the low-voltage sub-line 8, so that the power supply can be ensured, and the power supply device is applicable to electric appliances needing continuous operation, such as refrigerators, electric lamps, air conditioners, water purifiers and the like; the load priority of the high-voltage sub-line 6/the low-voltage sub-line 8 connected in parallel through the interface unit is low, so that continuous supply of electric energy cannot be ensured, and the method is suitable for electric appliances which do not need continuous work, such as: washing machines, blowers, chargers, and the like.
The foregoing description of the preferred embodiments of the present disclosure is not intended to limit the disclosure, but rather to cover any and all modifications, equivalents, improvements or alternatives falling within the spirit and principles of the present disclosure.
Claims (10)
1. A photovoltaic building integrated direct current micro-grid system is characterized in that: the high-voltage power generation system comprises a photovoltaic system (1), a direct-current bus (2), a power detection module (3), a control module (4), a high-voltage converter (5), a high-voltage sub-line (6), a low-voltage converter (7), a low-voltage sub-line (8), a high-voltage energy storage module (9), a high-voltage load (10), a low-voltage energy storage module (11) and a low-voltage load (12);
the photovoltaic system (1) is arranged on the surface of a building and is used for converting light energy into electric energy; the photovoltaic system (1) and the power detection module (3) are connected in series to the direct current bus (2), and the power detection module (3) is used for monitoring the output power of the photovoltaic system (1); the high-voltage converter (5) and the low-voltage converter (7) are connected in parallel to the direct-current bus (2); the high-voltage converter (5), the high-voltage energy storage module (9) and the high-voltage load (10) are all connected in parallel to the high-voltage sub-line (6); the low-voltage converter (7), the low-voltage energy storage module (11) and the low-voltage load (12) are all connected in parallel to the low-voltage sub-line (8), and the control module (4) is used for receiving signals of the power detection module (3) and controlling the high-voltage converter (5) and the low-voltage converter (7) to operate.
2. The photovoltaic building integrated direct current micro grid system according to claim 1, wherein: when the actual output power of the photovoltaic system (1) exceeds a set first threshold value, the control module (4) controls the high-voltage converter (5) to work.
3. The photovoltaic building integrated direct current micro grid system according to claim 1, wherein: when the actual output power of the photovoltaic system (1) does not exceed a set first threshold value, the control module (4) controls the low-voltage converter (7) to work.
4. The photovoltaic building integrated direct current micro grid system according to claim 1, wherein: the photovoltaic power generation units in the photovoltaic system (1) are mutually connected in parallel and connected into the direct current bus (2).
5. The photovoltaic building integrated direct current micro grid system according to claim 1, wherein: when the control module (4) controls the high-voltage converter (5) to work, the low-voltage converter (7) is in a closed state, and the low-voltage sub-line (8) is taken over by the low-voltage energy storage module (11) to ensure the normal operation of the low-voltage load (12).
6. The photovoltaic building integrated direct current micro grid system according to claim 1, wherein: when the control module (4) controls the low-voltage converter (7) to work, the high-voltage converter (5) is in a closed state, and the high-voltage sub-line (6) is connected by the high-voltage energy storage module (9) to ensure the normal operation of the high-voltage load (10).
7. The photovoltaic building integrated direct current micro grid system according to claim 1, wherein: the control module (4) is also used for monitoring the output voltages of the high-voltage converter (5) and the low-voltage converter (7); when the fluctuation of the output voltage of the high-voltage converter (5) is larger than a preset value, the control module (4) sends out a signal to control the high-voltage converter (5) to be closed and the low-voltage converter (7) to be opened, and the high-voltage sub-line (6) is connected by the high-voltage energy storage module (9).
8. The photovoltaic building integrated direct current micro grid system according to claim 7, wherein: when the output voltage fluctuation of the low-voltage converter (7) is larger than a preset value, the low-voltage converter (7) is closed, and the low-voltage sub-line (8) is taken over by the low-voltage energy storage module (11).
9. The photovoltaic building integrated direct current micro grid system according to claim 1, wherein: the system further comprises a plurality of high-voltage interface units (13) and low-voltage interface units (14), wherein a plurality of high-voltage interface units (13) are connected in parallel to the high-voltage sub-line (6) and the low-voltage sub-line (8), a plurality of low-voltage interface units (14) are respectively connected in parallel to the high-voltage sub-line (6), and an external load can be connected to the high-voltage sub-line (6)/the low-voltage sub-line (8) through the high-voltage interface units (13)/the low-voltage interface units (14).
10. The photovoltaic building integrated direct current micro grid system according to claim 9, wherein: a first control switch (15) is arranged in the high-voltage interface unit (13), when the actual output power of the photovoltaic system (1) exceeds a second threshold value, the control module (4) controls the first control switch (15) to be closed, and an external load can be connected into the high-voltage sub-line (6) through the high-voltage interface unit (13), wherein the second threshold value is larger than the first threshold value;
the low-voltage interface unit (14) is internally provided with a second control switch (16), and when the actual output power of the photovoltaic system (1) exceeds a third threshold value and is smaller than the first threshold value, the control module (4) controls the second control switch (16) to be closed, and an external load can be connected into the low-voltage sub-line (8) through the low-voltage interface unit (14), and the third threshold value is smaller than the first threshold value.
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427430A (en) * | 2013-04-08 | 2013-12-04 | 深圳市天智系统技术有限公司 | Hybrid energy storage system and energy management method thereof in micro-grid |
| CN104967112A (en) * | 2015-06-26 | 2015-10-07 | 上海电力学院 | Direct current micro-grid coordination control method of light storage electric car charging station |
| US20160013646A1 (en) * | 2014-07-14 | 2016-01-14 | Heart Transverter, S.A. | Load management, metering, and demand response module |
| CN105356576A (en) * | 2015-10-27 | 2016-02-24 | 中广核太阳能开发有限公司 | Grid-connection type photovoltaic direct current microgrid system and operational control method therefor |
| CN109964380A (en) * | 2016-09-15 | 2019-07-02 | 锐思博德能量有限责任公司 | Power grid and system and method for assembling electric power consumption side to participate in energy market are received for creating dynamic |
| CN111775756A (en) * | 2020-06-24 | 2020-10-16 | 深圳科士达科技股份有限公司 | Light storage and charging micro-grid system and control method thereof |
| CN112398175A (en) * | 2020-12-07 | 2021-02-23 | 阳光电源股份有限公司 | Medium-voltage photovoltaic grid-connected inverter system and photovoltaic power generation system |
| CN113949055A (en) * | 2021-10-18 | 2022-01-18 | 烟台东方能源科技有限公司 | Control method of direct-current micro-grid system based on digital energy storage |
| CN217848965U (en) * | 2022-08-09 | 2022-11-18 | 宜宾丰川智慧能源有限公司 | Photovoltaic off-grid and grid-connected system |
| CN116247711A (en) * | 2022-04-12 | 2023-06-09 | 云南航天神州汽车有限公司 | Energy storage system based on load priority control |
| WO2024001672A1 (en) * | 2022-06-29 | 2024-01-04 | 华能罗源发电有限责任公司 | Thermal power optical storage flexible networking system |
| CN117375053A (en) * | 2023-11-01 | 2024-01-09 | 衡电科技(成都)有限公司 | Charging and discharging method of photovoltaic energy storage system and photovoltaic energy storage system |
-
2024
- 2024-01-10 CN CN202410036849.8A patent/CN117543707A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427430A (en) * | 2013-04-08 | 2013-12-04 | 深圳市天智系统技术有限公司 | Hybrid energy storage system and energy management method thereof in micro-grid |
| US20160013646A1 (en) * | 2014-07-14 | 2016-01-14 | Heart Transverter, S.A. | Load management, metering, and demand response module |
| CN104967112A (en) * | 2015-06-26 | 2015-10-07 | 上海电力学院 | Direct current micro-grid coordination control method of light storage electric car charging station |
| CN105356576A (en) * | 2015-10-27 | 2016-02-24 | 中广核太阳能开发有限公司 | Grid-connection type photovoltaic direct current microgrid system and operational control method therefor |
| CN109964380A (en) * | 2016-09-15 | 2019-07-02 | 锐思博德能量有限责任公司 | Power grid and system and method for assembling electric power consumption side to participate in energy market are received for creating dynamic |
| CN111775756A (en) * | 2020-06-24 | 2020-10-16 | 深圳科士达科技股份有限公司 | Light storage and charging micro-grid system and control method thereof |
| CN112398175A (en) * | 2020-12-07 | 2021-02-23 | 阳光电源股份有限公司 | Medium-voltage photovoltaic grid-connected inverter system and photovoltaic power generation system |
| US20230134016A1 (en) * | 2020-12-07 | 2023-05-04 | Sungrow Power Supply Co., Ltd. | Medium-voltage photovoltaic grid-connected inverter system and photovoltaic power generation system |
| CN113949055A (en) * | 2021-10-18 | 2022-01-18 | 烟台东方能源科技有限公司 | Control method of direct-current micro-grid system based on digital energy storage |
| CN116247711A (en) * | 2022-04-12 | 2023-06-09 | 云南航天神州汽车有限公司 | Energy storage system based on load priority control |
| WO2024001672A1 (en) * | 2022-06-29 | 2024-01-04 | 华能罗源发电有限责任公司 | Thermal power optical storage flexible networking system |
| CN217848965U (en) * | 2022-08-09 | 2022-11-18 | 宜宾丰川智慧能源有限公司 | Photovoltaic off-grid and grid-connected system |
| CN117375053A (en) * | 2023-11-01 | 2024-01-09 | 衡电科技(成都)有限公司 | Charging and discharging method of photovoltaic energy storage system and photovoltaic energy storage system |
Non-Patent Citations (1)
| Title |
|---|
| 谢善益;陈静鹏;翟瑞聪;刘先虎;李保国;艾芊;: "基于储能的直流微电网能量管理和电压控制研究", 电器与能效管理技术, no. 10, 30 May 2015 (2015-05-30), pages 62 - 66 * |
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